451860 has 48 divisors (see below), whose sum is σ = 1342656. Its totient is φ = 113152.

The previous prime is 451859. The next prime is 451873. The reversal of 451860 is 68154.

It is a self number, because there is not a number n which added to its sum of digits gives 451860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (27972).

2⁴⁵¹⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671328).

451860 is an abundant number, since it is smaller than the sum of its proper divisors (890796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451860 is a wasteful number, since it uses less digits than its factorization.

451860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 451860 is about 672.2053257748. The cubic root of 451860 is about 76.7363785168.

The spelling of 451860 in words is "four hundred fifty-one thousand, eight hundred sixty".